6428101 has 4 divisors (see below), whose sum is σ = 6505632. Its totient is φ = 6350572.

The previous prime is 6428087. The next prime is 6428117. The reversal of 6428101 is 1018246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1018246 = 2 ⋅509123.

It is a cyclic number.

It is not a de Polignac number, because 6428101 - 2¹³ = 6419909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38641 + ... + 38806.

It is an arithmetic number, because the mean of its divisors is an integer number (1626408).

Almost surely, 2^6428101 is an apocalyptic number.

It is an amenable number.

6428101 is a deficient number, since it is larger than the sum of its proper divisors (77531).

6428101 is an equidigital number, since it uses as much as digits as its factorization.

6428101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77530.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 6428101 is about 2535.3699927230. The cubic root of 6428101 is about 185.9348926170.

The spelling of 6428101 in words is "six million, four hundred twenty-eight thousand, one hundred one".